A portable multi-component insulating material spraying device and spraying method

Abstract

This invention relates to the field of spraying equipment technology, and proposes a portable multi-component insulating material spraying device and method. Multiple material bins are mounted on a frame, with each bin's material output end individually connected to a spray gun nozzle, creating a one-to-one correspondence between the nozzle and the material bin. Each material bin is equipped with a pushing mechanism, including a drive unit, a gear set, and a pushing assembly connected in sequence, with each pushing assembly corresponding to a material bin. The transmission ratio of each gear pair in the gear set is set according to the material mixing ratio. The pushing assembly includes a push rod and a pressure head located at the end of the push rod, with the pressure head positioned inside the corresponding material bin. The drive unit rotates the gear set, which in turn moves the push rod of the pushing assembly, causing the pressure head to press out the material from the corresponding material bin and deliver it to the corresponding nozzle on the spray gun. Simultaneously, the spray gun features an inwardly inclined nozzle structure, enabling external mixing of the material, preventing premature reaction and solidification inside the spray gun, reducing the risk of clogging, and facilitating continuous operation.

Description

Technical Field

[0001] This invention relates to the technical field of spraying devices, specifically to a portable multi-component insulating material spraying device and spraying method. Background Technology

[0002] The statements in this section are merely background information related to the present invention and do not necessarily constitute prior art.

[0003] During the operation of 10kV distribution lines, the insulation protection of conductors, hardware, and connection nodes is directly related to the safety of line operation. Traditional insulation construction methods typically involve manually wrapping insulating tape and installing insulating conduits. The construction process relies on manual wrapping, fixing, and tightening of sections, which is cumbersome, inefficient, and difficult to meet the needs of large-scale line insulation upgrades. Furthermore, construction workers need to carry a large amount of loose materials to climb poles, resulting in high labor intensity and high risks associated with working at heights. Moreover, manual wrapping methods are prone to uneven thickness, poor adhesion, and poor sealing, leading to aging, cracking, or detachment after long-term operation, resulting in unstable insulation protection.

[0004] While some existing insulation spraying equipment can form insulation layers through spraying, it still has shortcomings in the supply and mixing of multi-component insulation materials. Existing equipment typically feeds multiple materials separately, then pre-mixes them in a mixing chamber or mixing tube at the nozzle tip. This method relies on each feeding mechanism controlling the output, making it difficult to ensure consistent quantitative supply of multiple materials during continuous operation. This easily leads to mixing ratio deviations, affecting the reaction effect and film quality of the insulation material. Furthermore, because multiple materials have already reacted and mixed inside the spray gun or at the nozzle tip, residual material easily solidifies inside the mixing chamber, mixing tube, or spray gun, causing blockages, increasing cleaning and maintenance difficulty, and affecting continuous high-altitude operations. Summary of the Invention

[0005] To address the aforementioned problems, this invention proposes a portable multi-component insulating material spraying device and method, which reduces the mixing ratio deviation during continuous spraying, prevents materials from prematurely reacting and solidifying inside the spray gun, reduces the risk of clogging, and facilitates continuous spraying operations.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] One or more embodiments provide a portable multi-component insulating material spraying device, including a frame, a plurality of material bins disposed on the frame, each material bin having its material output end individually connected to the nozzle of a spray gun, and the nozzle being configured one-to-one with the material bin;

[0008] The material bin is equipped with a pushing mechanism, which includes a drive device, a gear set and a pushing component connected in sequence. The pushing component is set one-to-one with the material bin. The transmission ratio of each gear pair in the gear set is set according to the mixing ratio of the material.

[0009] The pushing component includes a push rod and a pressure head disposed at the end of the push rod. The pressure head is disposed in the corresponding material barrel. The driving device drives the gear set to rotate, and the gear set drives the push rod of the pushing component to move, thereby driving the pressure head to press out the material in the corresponding material barrel and deliver it to the corresponding nozzle of the spray gun.

[0010] A further technical solution is to configure a dual material bin system, including a first material bin, a second material bin, a first material pipe, and a second material pipe.

[0011] The first and second material bins are installed on the frame;

[0012] The pushing mechanism includes a drive motor, a driving gear, a driven gear, a first pushing component, and a second pushing component;

[0013] The drive gear is connected to the output end of the drive motor, and the driven gear meshes with the drive gear. The number of teeth of the drive gear and the driven gear is set according to the ratio of the material being pushed.

[0014] The first pushing component is connected to the driving gear transmission, and the second pushing component is connected to the driven gear transmission.

[0015] The first pushing assembly includes a first push rod and a first pressure head disposed at the end of the first push rod, the first pressure head being disposed inside the first material barrel;

[0016] The second pushing assembly includes a second push rod and a second pressure head disposed at the end of the second push rod, the second pressure head being disposed inside the second material container.

[0017] In a further technical solution, the driving gear and the driven gear mesh with each other and are staggered in the vertical direction, so that the driving gear and the driven gear are arranged at an inclination. The inner sides of the first push rod and the second push rod are provided with protruding teeth, which mesh with the teeth of the driving gear and the driven gear respectively.

[0018] A further technical solution includes a limit switch at the end of the push mechanism's stroke; it also includes a control system, with the limit switch communicating with the control system; when the push rod moves to the preset end position, the limit switch is triggered.

[0019] A further technical solution includes a spray gun housing with multiple material inlets on the housing, each material inlet being paired with a material container; each material inlet is connected to a nozzle; the nozzle's spray outlet is outside the spray gun housing.

[0020] The nozzle is tilted towards the center of the spray gun to improve the material mixing effect; the material interface is connected to the material bucket through a material conveying pipeline; the material interface is supplied with compressed gas at a set pressure through a gas supply device to spray the material out of the nozzle.

[0021] A further technical solution involves symmetrically arranging multiple nozzles relative to the centerline of the spray gun, so that the material spraying paths are aligned.

[0022] A further technical solution involves setting two nozzles. The spray gun includes a spray gun housing, an A material interface, and a B material interface on the spray gun housing. The front ends of the A material interface and the B material interface are connected to a first inward-curving nozzle and a second inward-curving nozzle. The set positions of the A material interface and the B material interface are connected to the gas output pipe of the air compressor. One end of the gas output pipe is connected to the air compressor, and the other end is connected to the A material interface and the B material interface.

[0023] A further technical solution includes a material temperature control component for the spraying device. The material temperature control component includes insulation cotton and an aluminum foil heating plate disposed on the outside of the material barrel; and a strip heating belt disposed along the material conveying pipeline. The strip heating belt extends along the length of the corresponding material conveying pipeline and is used to continuously heat the material flowing through the material conveying pipeline.

[0024] In a further technical solution, the spraying device can also be equipped with a temperature detection element and a temperature control module, and the aluminum foil heating plate and the strip heating belt are electrically connected to the temperature detection element and the temperature control module;

[0025] Temperature sensing element, used to detect the temperature of material buckets or the material inside material buckets;

[0026] The temperature control module is used to control the heating state of the aluminum foil heating plate or strip heating belt based on the temperature signal fed back by the temperature detection device.

[0027] A further technical solution is that the rack includes a middle mounting area, a top mounting area, and a bottom mounting area;

[0028] The central installation area is equipped with an embedded battery compartment for installing battery modules;

[0029] Top mounting area for installing the control box;

[0030] An air compressor is installed in the bottom mounting area.

[0031] The spraying method based on the above-mentioned portable multi-component insulating material spraying device includes the following steps:

[0032] The portable multi-component insulating material spraying device described above is controlled to perform a self-test. After the self-test is passed, the spraying configuration parameters are obtained. The spraying configuration parameters include the material mixing ratio, spraying air pressure, insulation temperature and discharge flow rate.

[0033] Based on the spraying configuration parameters, the material constant temperature component is controlled to heat and keep the material in the material bucket and / or material conveying pipeline. Then, the gas supply device is controlled to supply compressed gas to the spray gun to build up pressure. The pushing mechanism is unlocked after the material temperature and spraying air pressure reach the corresponding set conditions.

[0034] In response to the spraying trigger signal of the spray gun, the control drive device drives the gear set to rotate, so that multiple pushing components push the material in the corresponding material barrel according to the transmission ratio of the gear set, so that the multi-component material is transported to the corresponding material interface and nozzle of the spray gun through the corresponding material conveying pipeline according to the set mixing ratio, and is atomized and sprayed out from multiple nozzles by compressed gas and sprayed onto the target surface.

[0035] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0036] The spraying device of this invention is equipped with multiple material bins, each independently conveyed and sprayed by a corresponding pushing component and a corresponding nozzle. This avoids the problem of existing multi-channel materials being easily affected by supply fluctuations during pre-mixing in the mixing chamber or mixing tube at the nozzle front end. Simultaneously, since each pushing component is mechanically driven by the same drive device via a gear set, and the transmission ratio of each gear pair in the gear set is set according to the preset mixing ratio of the materials, a stable mechanical correspondence can be established between the ejection speed and ejection stroke of the materials in each bin. This ensures that different component materials are supplied quantitatively and synchronously during continuous spraying, reducing the risk of asynchronous discharge and ratio deviation caused by independent control of multiple feeding mechanisms. Furthermore, the pressure head at the end of the push rod moves within the material bin and presses out the material, making the material output process more stable and continuous. This ensures that each component of the insulating material reaches the corresponding nozzle and is sprayed and mixed according to the set ratio, which is beneficial for improving the sufficiency of the insulating material's reaction, the uniformity of spraying, and the quality of the insulating film.

[0037] The advantages of the present invention, as well as its additional advantages, will be described in detail in the following specific embodiments. Attached Figure Description

[0038] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute a limitation thereof.

[0039] Figure 1 This is a schematic diagram of the first overall structure of the insulating material spraying device according to Embodiment 1 of the present invention;

[0040] Figure 2 This is a schematic diagram of the second overall structure of the insulating material spraying device according to Embodiment 1 of the present invention;

[0041] Figure 3This is a side view of the insulating material spraying device of Embodiment 1 of the present invention;

[0042] Figure 4 This is a schematic diagram of the pushing mechanism of Embodiment 1 of the present invention;

[0043] Figure 5 This is a first-view structural schematic diagram of the spray gun according to Embodiment 1 of the present invention;

[0044] Figure 6 This is a second-view structural schematic diagram of the spray gun according to Embodiment 1 of the present invention;

[0045] Figure 7 This is a cross-sectional view of the material pipe in Embodiment 1 of the present invention;

[0046] Figure 8 This is a schematic diagram of the material bucket structure of Embodiment 1 of the present invention;

[0047] Figure 9 This is a flowchart of the spraying method according to Embodiment 2 of the present invention;

[0048] The components include: 1. Frame; 2. Material bin; 3. Pushing mechanism; 4. Gas channel; 5. Air compressor interface; 6. First inward-curving nozzle; 7. Second inward-curving nozzle; 8. Material interface A; 9. Material interface B; 10. Gas output pipe; 11. First material pipe; 12. Second material pipe; 13. Strip heating belt; 14. Insulation layer; 15. Insulation cotton.

[0049] 21. First material bin; 22. Second material bin;

[0050] 31. Gear set; 32. Push rod; 33. Pressure head;

[0051] 311. Driving gear; 312. Driven gear; 321. First push rod; 322. Second push rod; 3211. Convex tooth. Detailed Implementation

[0052] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0053] It should be noted that the following detailed descriptions are exemplary and intended to provide further illustration of the invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0054] It should be noted that the terminology used herein is for describing particular embodiments only and is not intended to limit the exemplary embodiments of the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof. It should be noted that, without conflict, the various embodiments and features within those embodiments can be combined with each other. The embodiments will now be described in detail with reference to the accompanying drawings.

[0055] Example 1

[0056] In one or more of the technical solutions disclosed in the implementation methods, such as Figures 1 to 8 As shown, a portable multi-component insulating material spraying device includes:

[0057] A frame 1, multiple material bins 2 set on the frame 1, the material output end of each material bin 2 is individually connected to the nozzle of the spray gun, and the nozzle is set one-to-one with the material bin 2;

[0058] The material bin 2 is equipped with a pushing mechanism 3, which includes a drive device, a gear set 31 and a pushing component connected in sequence. The pushing component is set one-to-one with the material bin 2. The transmission ratio of each gear pair in the gear set 31 is set according to the mixing ratio of the material.

[0059] The pushing component includes a push rod 32 and a pressure head 33 disposed at the end of the push rod 32. The pressure head 33 is disposed in the corresponding material barrel 2. The driving device drives the gear set 31 to rotate, and the gear set 31 drives the push rod 32 of the pushing component to move, thereby driving the pressure head 33 to press out the material in the corresponding material barrel 2 and deliver it to the corresponding nozzle of the spray gun.

[0060] In this embodiment, multiple material bins 2 are independently conveyed and sprayed through corresponding push components and corresponding nozzles, avoiding the problem of existing multi-path materials being easily affected by supply fluctuations during pre-mixing in the mixing chamber or mixing tube at the nozzle front end. At the same time, since each push component is mechanically driven by the same drive device through the gear set 31, and the transmission ratio of each gear pair in the gear set 31 is set according to the preset mixing ratio of the materials, a stable mechanical correspondence can be established between the push speed and push stroke of the materials in each material bin 2. This ensures that different component materials are supplied quantitatively and synchronously during continuous spraying, reducing the risk of asynchronous discharge and ratio deviation caused by independent control of multiple feeding mechanisms. In addition, the pressure head 33 at the end of the push rod 32 moves in the material bin 2 and presses out the materials, making the material output process more stable and continuous. This ensures that each component of the insulating material reaches the corresponding nozzle and is sprayed and mixed according to the set ratio, which is beneficial to improving the reaction sufficiency, spray uniformity and film quality of the insulating material.

[0061] Optionally, the driving device may be an electric drive device, which may be a drive motor;

[0062] In some embodiments, the material tank 2 of the spraying device is determined according to the type of material being sprayed, and when there are N types of materials, there are N material tanks 2.

[0063] When there are two types of materials, it is set to a dual material bin. In one specific implementation, it includes a first material bin 21, a second material bin 22, a pushing mechanism 3, a first material pipe 11 and a second material pipe 12.

[0064] The first material bin 21 and the second material bin 22 are installed on the frame 1;

[0065] The driving device of the pushing mechanism 3 is electrically driven, including a drive motor, a driving gear 311, a driven gear 312, a first pushing assembly and a second pushing assembly;

[0066] The drive gear 311 is connected to the output end of the drive motor, and the driven gear 312 is meshed with the drive gear 311. The number of teeth of the drive gear 311 and the driven gear 312 is set according to the ratio of the pushed material.

[0067] The first pushing component is connected to the driving gear 311, and the second pushing component is connected to the driven gear 312.

[0068] The first pushing assembly includes a first push rod 321 and a first pressure head disposed at the end of the first push rod 321, the first pressure head being disposed inside the first material bucket 21;

[0069] The second pushing assembly includes a second push rod 322 and a second pressure head disposed at the end of the second push rod 322, the second pressure head being disposed inside the second material barrel 22;

[0070] In one specific embodiment, the driving gear 311 and the driven gear 312 mesh with each other and are staggered in the vertical direction, so that the driving gear 311 and the driven gear 312 are arranged at an angle. The first push rod 321 and the second push rod 322 are provided with protruding teeth 3211 on the inner side of the rod, and the protruding teeth 3211 mesh with the teeth of the driving gear 311 and the driven gear 312 respectively.

[0071] Specifically, the first push rod 321 and the second push rod 322 are arranged opposite to each other, and the inner surfaces of the two push rods are respectively provided with teeth 3211. The teeth 3211 are arranged along the length direction of the corresponding push rod to form a rack structure. The driving gear 311 meshes with the teeth 3211 on the first push rod 321, and the driven gear 312 meshes with the teeth 3211 on the second push rod 322.

[0072] It is feasible that the size and number of teeth of the driving gear 311 and the driven gear 312 are equal, so that the first push rod 321 and the second push rod 322 can push the material synchronously at the same moving speed, achieving a 1:1 mixing of materials at the spray gun end; since the driving gear 311 and the driven gear 312 are the same size and their angular velocities are equal when they mesh, the first push rod 321 and the second push rod 322 move linearly at the same speed. When the effective volume or cross-sectional area of ​​the material bucket 2 is the same, the first push rod 321 and the second push rod 322 advance synchronously at the same speed and with the same stroke, thereby outputting the two materials synchronously in a 1:1 ratio.

[0073] In this embodiment, the pushing mechanism 3 precisely converts the rotational motion of the drive motor into the synchronous linear pushing of the push rod 32 through the meshing transmission of the gear set 31, ensuring that the two-component materials are stably output according to the preset ratio. This reduces the response delay and synchronization error caused by using multiple independent pneumatic or hydraulic actuators, significantly improving mixing accuracy and system reliability. Through the above structure, the two-component pushing mechanism utilizes the meshing transmission relationship between the driving gear 311 and the driven gear 312 to achieve mechanical synchronous driving of the two pushing components. Compared with setting up independent driving mechanisms, this reduces control complexity, reduces the risk of asynchronous output of the two components, and improves the stability of the mixing ratio of components A and B.

[0074] In some embodiments, a limit switch is provided at the end of the travel of the pushing mechanism; it also includes a control system, and the limit switch is communicatively connected to the control system; when the push rod 32 moves to the preset end position, the limit switch is triggered and sends a position signal to the control system, and the control system controls the drive motor to stop running according to the position signal, thereby avoiding the continued movement of the glue pushing assembly causing the mechanism to jam or the material barrel 2 to be damaged by pressure.

[0075] In some embodiments, the system further includes a control panel and a spray gun handle. The control panel is provided with a first control switch, and the spray gun handle is provided with a second control switch. Both the first control switch and the second control switch are electrically connected to the control system.

[0076] The operator can start and stop the drive motor via the control panel or the spray gun handle. In case of needing to pause glue dispensing or an abnormal situation, the operator can immediately stop the drive motor using any control switch, thereby improving the convenience and safety of equipment operation.

[0077] In some embodiments, the spray gun includes a spray gun housing, and multiple material inlets are provided on the spray gun housing, with each material inlet being configured one-to-one with a material tank 2; each material inlet is connected to a nozzle; the nozzle's spray port is outside the spray gun housing; the nozzle is inclined toward the center of the spray gun to improve the material mixing effect; the material inlet is connected to the material tank 2 through a material conveying pipeline; the material inlet is supplied with compressed gas at a set pressure through a gas supply device to spray the material from the nozzle;

[0078] Furthermore, multiple nozzles are symmetrically arranged relative to the center line of the spray gun so that the material spray paths are opposite, avoiding excessive deviation in the spray direction of various materials, which would affect the mixing effect.

[0079] Optionally, the inward tilt angle of the nozzle toward the center of the spray gun can be set according to the material viscosity, spraying distance, spray width, and mixing reaction requirements.

[0080] In one specific configuration, a gas channel 4 is provided inside the spray gun housing. The gas channel 4 is connected to the gas output interface of the gas supply device and extends to the adjacent area of ​​each inwardly inclined nozzle. After compressed gas is delivered to the nozzle through the gas channel 4, the material is atomized, so that the material forms a converging atomized material flow after being sprayed out, thereby improving the uniformity of spraying.

[0081] In some embodiments, the number of nozzles on the spray gun is determined according to the type of material being sprayed; when there are N types of materials, it is set to N nozzles.

[0082] When a spray gun sprays a mixture of two materials, it is equipped with two nozzles. In one specific embodiment, the spray gun includes a spray gun housing, an A material interface 8, and a B material interface 9 on the spray gun housing. The front ends of the A material interface 8 and the B material interface 9 are connected to a first inward-curving nozzle 6 and a second inward-curving nozzle 7. The A material interface 8 and the B material interface 9 are connected to the gas output pipe 10 of an air compressor at designated positions. One end of the gas output pipe 10 is connected to the air compressor, and the other end is connected to the A material interface 8 and the B material interface 9. Thus, material A, material B, and compressed gas can enter the corresponding channels in the spray gun housing and be sprayed out through the corresponding nozzles.

[0083] Optionally, the material interface is connected to the material bucket 2 through a material conveying pipeline, which includes a first material pipe 11 and a second material pipe 12.

[0084] One end of the first material pipe 11 is connected to the first material bucket 21, and the other end is connected to the A material interface 8;

[0085] One end of the second material pipe 12 is connected to the second material bucket 22, and the other end is connected to the B material interface 9;

[0086] The first inward-curving nozzle 6 is connected to material interface 8 (A), and the second inward-curving nozzle 7 is connected to material interface 9 (B).

[0087] The outlet axis of the first inward-curving nozzle 6 is arranged to intersect with the outlet axis of the second inward-curving nozzle 7.

[0088] The first inward-tilting nozzle 6 and the second inward-tilting nozzle 7 are respectively inclined towards the center of the spray gun, so that the outlet axis of the first inward-tilting nozzle 6 intersects the outlet axis of the second inward-tilting nozzle 7, and the intersection point is located in the spraying area in front of the nozzle outlet. With the above arrangement, material A and material B can converge towards the same mixing area after being sprayed out, and make full contact under the atomization effect of compressed gas, thereby improving the mixing uniformity and reaction consistency of the two-component materials.

[0089] Optionally, a gas flow regulating device is provided at the rear end of the spray gun housing. The gas flow regulating device is connected to the gas channel 4 and is used to regulate the flow rate or pressure of the compressed gas entering the spray gun housing.

[0090] In use, the operator can change the output state of the compressed gas through the gas volume adjustment device to adapt to the needs of materials with different viscosities, different spraying distances and different spraying thicknesses, thereby improving the stability and controllability of the spraying process.

[0091] As is possible, the spray gun housing can be made of high-strength insulating engineering plastic to reduce the overall weight of the spray gun and improve safety in use; the nozzle can be made of stainless steel or hard alloy to improve the wear resistance and corrosion resistance of the nozzle; the seals inside the spray gun housing used to seal the material passage and gas passage 4 are made of fluororubber to improve the seals' resistance to adhesives, solvents or other chemical components.

[0092] In this embodiment, when the spraying device is used for spraying a mixture of material A and material B, the spray gun housing is provided with two material inlets and two inward-sloping nozzles, namely material A inlet 8, material B inlet 9, a first inward-sloping nozzle 6, and a second inward-sloping nozzle 7. Material A is sprayed out through the first inward-sloping nozzle 6, and material B is sprayed out through the second inward-sloping nozzle 7. The two materials converge and mix in front of the nozzle outlet, so that the two-component materials can be discharged, atomized, and mixed synchronously during the spraying process, thereby improving the film uniformity and construction quality of the two-component sprayed material.

[0093] In some embodiments, the spraying device further includes a material temperature control component, which includes insulation cotton 15 and aluminum foil heating plate disposed on the outside of the material barrel 2; and a strip heating belt 13 disposed along the material conveying pipeline. The strip heating belt 13 extends along the length direction of the corresponding material conveying pipeline and is used to continuously heat the material flowing through the material conveying pipeline.

[0094] The material temperature control component in this embodiment is used to insulate and heat the material bucket 2 and the material conveying pipeline to ensure the temperature stability of the material during storage and transportation.

[0095] Specifically, the material bucket 2 is covered with an integrated insulation cotton 15. In this embodiment, the material buckets 2 are arranged side by side, and the integrated insulation cotton 15 has an overall elliptical covering structure to cover the outer periphery of multiple material buckets 2 at the same time, thereby reducing the heat exchange between the material buckets 2 and the external environment and improving the insulation effect of the material buckets 2.

[0096] Specifically, the aluminum foil heating plate is placed between the outer wall of the material bucket 2 and the insulation cotton 15.

[0097] Specifically, an insulation layer 14 is installed outside the material conveying pipeline, which can be made of tin foil wrapping;

[0098] It is possible that the spraying device can also be equipped with a temperature detection element and a temperature control module, and the aluminum foil heating plate and the strip heating belt 13 are electrically connected to the temperature detection element and the temperature control module;

[0099] Temperature detection device, used to detect the temperature of material bucket 2 or the material inside material bucket 2;

[0100] The temperature control module is used to control the heating state of the aluminum foil heating plate or the strip heating belt 13 based on the temperature signal fed back by the temperature detection device.

[0101] The aforementioned material temperature control components form a closed-loop temperature control structure, ensuring that the material in the material tank 2 remains within a preset temperature range during storage. This prevents the material from becoming too cold and increasing in viscosity, or from being affected by temperature fluctuations in subsequent discharging and spraying. Simultaneously, the strip heating belt 13 adjusts the temperature of the material conveying pipeline, thereby reducing the impact of ambient temperature changes on material viscosity, flowability, and spraying uniformity. This ensures that the material enters the spray gun in a stable state and improves the stability of the spraying and mixing reaction of each component.

[0102] The frame 1 is used to support components such as the material bucket 2, the pushing mechanism 3, the battery pack, the control components, and the air compressor. The frame 1 can adopt a portable frame structure to facilitate the operator's handling, movement, and on-site use of the spraying device.

[0103] One feasible implementation scheme allows the frame 1 to be made of a high-strength lightweight alloy or engineering plastic. The high-strength lightweight alloy can be aluminum alloy, magnesium-aluminum alloy, or other metal materials with high strength and low weight; the engineering plastic can be reinforced nylon, ABS engineering plastic, polycarbonate, or other materials with high structural strength and impact resistance. By using these materials, the overall weight of the machine can be reduced while ensuring the load-bearing strength of the frame 1, thus improving the portability of the spraying device.

[0104] In some embodiments, the rack 1 includes a middle mounting area, a top mounting area, and a bottom mounting area;

[0105] The central installation area is equipped with an embedded battery compartment for installing battery components. The battery components are embedded inside the frame 1 or partially embedded in the frame 1 to reduce the risk of impact caused by exposed battery components and to make the overall structure more compact.

[0106] The top mounting area can accommodate a control box containing a control module, a power management module, and / or a temperature control module. The control module can integrate the control system. The control box can be integrated into the top of rack 1, allowing the operator to conveniently control start / stop, adjust temperature, adjust air pressure, or check the operating status from a higher position.

[0107] Optionally, a control panel can be installed on the outside of the control box, and the control panel is equipped with a power switch, a temperature display unit, a pressure display unit and / or an operating status indicator light.

[0108] In some embodiments, an air compressor is provided in the bottom mounting area. The air compressor is located at the lower part of the frame 1, and an air compressor interface 5 is provided on the housing at the corresponding position for connecting to the gas output pipe 10. Since the air compressor itself is relatively heavy, placing it at the bottom of the frame 1 can lower the center of gravity of the whole machine, improve the stability of the spraying device during movement, placement and operation, and reduce the risk of tipping over due to the high center of gravity.

[0109] Optionally, depending on the location of the air compressor, an array of heat dissipation holes can be provided on the housing of the frame 1 to achieve heat dissipation;

[0110] Furthermore, a vibration damping pad or vibration damping mounting base can be installed at the bottom of the frame 1. The air compressor is installed inside the frame 1 through the vibration damping pad or vibration damping mounting base to reduce the impact of the vibration generated by the air compressor during operation on the material tank 2, control box and pipeline connection parts.

[0111] In some embodiments, the frame 1 is provided with one or more of the following: a handle, a back support structure, rollers, or support feet. The handle can be provided on the top or side of the frame 1 for easy carrying by the operator; the rollers can be provided on the bottom of the frame 1 for easy dragging by the operator; the support feet are used to support the frame 1 in the working state to keep the frame 1 stable.

[0112] In some embodiments, the frame 1 has a mounting cavity for accommodating the material bucket 2, the material bucket 2 being detachably disposed within the mounting cavity. Alternatively, the frame 1 may be provided with limiting members or fixing straps to restrict the shaking of the material bucket 2 during transportation or spraying.

[0113] With the above structure, the frame 1 can achieve a reasonable integrated arrangement of battery components, control components, air compressor and material tank 2 while ensuring structural strength and load-bearing capacity. Among them, the embedded battery compartment in the middle improves the safety of battery installation and space utilization, the integrated control box at the top improves the convenience of operation, and the air compressor arrangement at the bottom lowers the center of gravity of the whole machine, thereby improving the portability, stability and on-site applicability of the spraying device.

[0114] Example 2

[0115] Based on Embodiment 1, this embodiment provides a spraying method using a portable multi-component insulating material spraying device as described in Embodiment 1, such as... Figure 9 As shown, it includes the following steps:

[0116] Step 1: Control the portable multi-component insulating material spraying device described in Example 1 to perform a self-test. After the self-test passes, obtain the spraying configuration parameters. The spraying configuration parameters include the material mixing ratio, spraying air pressure, heat preservation temperature, and discharge flow rate.

[0117] Step 2: Based on the spraying configuration parameters, control the material constant temperature component to heat and keep the material in the material bucket and / or material conveying pipeline. Then, control the gas supply device to supply compressed gas to the spray gun to build up pressure. After the material temperature and spraying air pressure reach the corresponding set conditions, unlock the pushing mechanism.

[0118] Step 3: In response to the spraying trigger signal of the spray gun, control the drive device to drive the gear set 31 to rotate, so that multiple pushing components push the material in the corresponding material bucket according to the transmission ratio of the gear set 31, so that the multi-component material is transported to the corresponding material interface and nozzle of the spray gun through the corresponding material conveying pipeline according to the set mixing ratio, and is atomized and sprayed out from multiple nozzles by compressed gas to the target surface.

[0119] A further technical solution involves using feedback signals from temperature, pressure, and discharge status during the spraying process to perform closed-loop control of the material temperature control component, gas supply device, and drive device, so that the material temperature, spraying air pressure, and discharge flow rate are maintained within the corresponding set range.

[0120] A further technical solution is to first control the drive device to stop pushing the material when spraying stops, then delay the control of the gas supply device to purge the spray gun and / or material conveying pipeline, and perform cleaning when a cleaning trigger signal is received.

[0121] The feasible technical solution includes self-testing of the power supply, sensors, gas circuit, material circuit and emergency stop circuit, and outputting an alarm signal and locking the drive device, gas supply device and material constant temperature component when the self-test is abnormal.

[0122] This embodiment achieves centralized linkage control of the gas supply device, heating device, and pushing mechanism. The control system coordinates the gas supply, heating, and feeding actions, ensuring that the material enters the feeding and spraying stage only after reaching the set temperature and spraying pressure. This avoids problems such as mixing ratio deviation, insufficient atomization, and uneven coating caused by insufficient material temperature, unstable air pressure, or mismatched feeding sequence, thereby improving the mixing consistency, spraying stability, and film quality of multi-component insulating materials. At the same time, by monitoring pressure, temperature, discharge status, and safety trigger signals in real time, and cutting off the corresponding actuators in abnormal conditions, the risks of material blockage, overpressure, overtemperature, and accidental spraying can be reduced, improving the safety and reliability of portable spraying operations.

[0123] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

[0124] While the specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solutions of the present invention are still within the scope of protection of the present invention.

Claims

1. A portable multi-component insulating material spraying device, characterized in that, Includes a frame, multiple material bins mounted on the frame, and the material output end of each material bin is individually connected to the nozzle of the spray gun, with the nozzle and material bin configured one-to-one; The material bin is equipped with a pushing mechanism, which includes a drive device, a gear set and a pushing component connected in sequence. The pushing component is set one-to-one with the material bin. The transmission ratio of each gear pair in the gear set is set according to the mixing ratio of the material. The pushing component includes a push rod and a pressure head disposed at the end of the push rod. The pressure head is disposed in the corresponding material barrel. The driving device drives the gear set to rotate, and the gear set drives the push rod of the pushing component to move, thereby driving the pressure head to press out the material in the corresponding material barrel and deliver it to the corresponding nozzle of the spray gun.

2. The portable multi-component insulating material spraying device as described in claim 1, characterized in that, It is configured with dual material bins, including a first material bin, a second material bin, a first material pipe, and a second material pipe; The first and second material bins are installed on the frame; The pushing mechanism includes a drive motor, a driving gear, a driven gear, a first pushing component, and a second pushing component; The drive gear is connected to the output end of the drive motor, and the driven gear meshes with the drive gear. The number of teeth of the drive gear and the driven gear is set according to the ratio of the material being pushed. The first pushing component is connected to the driving gear transmission, and the second pushing component is connected to the driven gear transmission. The first pushing assembly includes a first push rod and a first pressure head disposed at the end of the first push rod, the first pressure head being disposed inside the first material barrel; The second pushing assembly includes a second push rod and a second pressure head disposed at the end of the second push rod, the second pressure head being disposed inside the second material container.

3. The portable multi-component insulating material spraying device as described in claim 2, characterized in that, The driving gear and the driven gear mesh with each other and are staggered in the vertical direction, so that the driving gear and the driven gear are arranged at an angle. The inner sides of the first push rod and the second push rod are provided with protruding teeth, which mesh with the teeth of the driving gear and the driven gear respectively.

4. The portable multi-component insulating material spraying device as described in claim 1, characterized in that, The pusher mechanism is equipped with a limit switch at the end of its stroke; it also includes a control system, and the limit switch is connected to the control system in communication; when the push rod moves to the preset end position, the limit switch is triggered.

5. The portable multi-component insulating material spraying device as described in claim 1, characterized in that, The spray gun includes a spray gun housing, multiple material inlets on the spray gun housing, and a one-to-one connection between each material inlet and a material container; each material inlet is connected to a nozzle; the nozzle's spray outlet is outside the spray gun housing. The nozzle is tilted towards the center of the spray gun to improve the material mixing effect; the material interface is connected to the material bucket through a material conveying pipeline; the material interface is supplied with compressed gas at a set pressure through a gas supply device to spray the material out of the nozzle.

6. The portable multi-component insulating material spraying device as described in claim 5, characterized in that, Multiple nozzles are symmetrically arranged relative to the center line of the spray gun so that the material spray paths are aligned.

7. The portable multi-component insulating material spraying device as described in claim 5, characterized in that, The spray gun is equipped with two nozzles, including a spray gun housing, an A material interface and a B material interface on the spray gun housing; the front ends of the A material interface and the B material interface are connected to the first inward-curving nozzle and the second inward-curving nozzle; the set positions of the A material interface and the B material interface are connected to the gas output pipe of the air compressor; one end of the gas output pipe is connected to the air compressor, and the other end is connected to the A material interface and the B material interface.

8. The portable multi-component insulating material spraying device as described in claim 1, characterized in that, The spraying device also includes a material temperature control component, which includes insulation cotton and aluminum foil heating plate installed on the outside of the material barrel; and a strip heating belt installed along the material conveying pipeline. The strip heating belt extends along the length of the corresponding material conveying pipeline and is used to continuously heat the material flowing through the material conveying pipeline.

9. A portable multi-component insulating material spraying device as described in claim 1, characterized in that, The spraying device is also equipped with a temperature detection element and a temperature control module; the temperature detection element is used to detect the temperature of the material bucket or the material inside the material bucket; the temperature control module is used to control the heating state of the aluminum foil heating plate or the strip heating belt according to the temperature signal fed back by the temperature detection element. Alternatively, the rack may include a middle mounting area, a top mounting area, and a bottom mounting area; the middle mounting area may have an embedded battery compartment for mounting battery modules; the top mounting area may have a control box; and the bottom mounting area may have an air compressor.

10. A spraying method based on a portable multi-component insulating material spraying device according to any one of claims 1-9, characterized in that, The process includes the following steps: controlling the portable multi-component insulating material spraying device according to any one of claims 1-9 to perform a self-test; after the self-test passes, obtaining spraying configuration parameters; the spraying configuration parameters include material mixing ratio, spraying air pressure, insulation temperature, and discharge flow rate parameters; based on the spraying configuration parameters, controlling the material constant temperature component to heat and insulate the material in the material bucket and / or material conveying pipeline, then controlling the gas supply device to supply compressed gas to the spray gun for pressure build-up, and unlocking the pushing mechanism after the material temperature and spraying air pressure both reach the corresponding set conditions; responding to the spraying trigger signal of the spray gun, controlling the drive device to drive the gear set to rotate, so that multiple pushing components push the material in the corresponding material bucket according to the transmission ratio of the gear set, so that the multi-component material is conveyed to the corresponding material interface and nozzle of the spray gun through the corresponding material conveying pipeline according to the set mixing ratio, and is atomized and sprayed out from multiple nozzles by compressed gas to the target surface.

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